The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7071891 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 04, 2006

Filed:

Mar. 10, 2005
Applicants:

Toshiaki Shirosaka, Kobe, JP;

Kiyotaka Tatekawa, Kobe, JP;

Toshio Fujita, Kobe, JP;

Inventors:

Toshiaki Shirosaka, Kobe, JP;

Kiyotaka Tatekawa, Kobe, JP;

Toshio Fujita, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 21/00 (2006.01); H01Q 21/12 (2006.01); H01Q 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

First, second, third and fourth dipole antennas () are disposed in a casing (). The first through fourth dipole antennas are arranged in the same plane, and are disposed in line symmetry with respect to first through fourth imaginary lines (A, B, C, D) passing through the center of the casing () at an angle of 45 degrees between adjacent imaginary lines.


Find Patent Forward Citations

Shirosaka, Toshiaki. (2006). Antenna apparatus (U.S. Patent No. 7071891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7071891

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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